Time Sieve, Myr Battlesphere, Planar Bridge, and Epitaph Golem

Prerequisites

• Time Sieve on the battlefield
• Myr Battlesphere in the library
• Planar Bridge on the battlefield
• Epitaph Golem on the battlefield
• each turn available

Steps

1. Activate Planar Bridge by paying and tapping it, causing you to search your library for Myr Battlesphere and put it onto the battlefield
2. When Myr Battlesphere enters the battlefield, it triggers, creating four 1/1 Myr artifact creature tokens
3. Activate Time Sieve by tapping it, sacrificing Myr Battlesphere and the four Myr tokens, causing you to take an extra turn after this one
4. Activate Epitaph Golem by paying , putting Myr Battlesphere on the bottom of your library from your graveyard
5. Repeat each turn

Results

• Infinite turns